Packing composition for seams of cans.



Seams of Cans, of which the'fo lowing is a specification.

UNITED STATES PA ENT OFFICE. '1

LEE C. SHARP, OF PLATTSMOUTH, NEBRASKA, ASSIGNOR TO AMERICA-N CAN COMPANY, OF NEW YORK, N. Y., A CORPORATION OF NEW JERSEY.

PACKING COMPOSITION FOR SEAMS OF CANS.

No. 886,423. Specification of Letters Patent. Patented May 5, 1908.

Application filed November 16, 1906. Serial No. 343,722.

Toall whom it may concern:

Be it known that 1, LEE C. SHARP, a citizen of the United States, residing in Plattsmouth, in the county of'Cass andState of Nebraska, have invented a new and useful Improvement in Packing Com osition for together.

thick, stic y, elastic liquid consistency, and may be readily applied in a thin film or coating to the seaming flange of the can head or cover and, when so ap lied, will soon dry and form an elastic, solid, iomogeneous, continuous coating on the seaming flange, firmly adherent and not liable to be cutor scratched through, severed orbroken in-handling or shipment, and which Will not deteriorate or become brittle by lapse of time. By use of this packing composition solderless folded seams uniting the can head or cover to the My invention relates to packing composition for solderless seams of cans.

The object of my invention is to provide a composition for acking double or other seams of cans, w ich may be applied in a liquid or semiliquid form to the seaming flange of one of the parts to be seamed together as a thin coating thereon, and which will subsequently dry and ermanently adhere in place and form an e astic, solid, continuous, homogeneous packing, free from, in- 'urious o'dor or taste, and by means of which ermetically folded seams may be produced with uniformity and certainty.

My invention consists in a packing compo sition composed of caoutchouc or rubber one part, zinc oxid, commercially known as zinc white, one part, and a solvent for the rubber, such as turpentine, benzin, naphtha, or other like solvent, ten parts, the parts being by LEE C. SHARP.

Witnesses H. M. MUNDAY, EDM ND ADcooK.

Weight and thoroughlymixed and dissolved can'body may be readily formed hermet ically tight, and this with certainty and rehno This i111 iroved packing composition is of a 

